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Finding the Fourth Proportional to 197,607.40, 296,411.10 and 166,503.40

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Solution

The fourth proportional to 197,607.40, 296,411.10 and 166,503.40 is: 249,755.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,607.40 : 296,411.10 = 166,503.40 : x
  2. Step 2: Convert to fraction form
    197,607.40/296,411.10 = 166,503.40/x
  3. Step 3: Cross multiply
    197,607.40x = 296,411.10 × 166,503.40
  4. Step 4: Simplify right side
    197,607.40x = 49,353,455,947.74
  5. Step 5: Solve for x
    x = 49,353,455,947.74/197,607.40
  6. Step 6: Final answer
    x = 249,755.10

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.